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March 31, 2015

March 31, 2015

Posted by **Sherry** on Friday, March 2, 2012 at 4:03pm.

- Stats -
**MathGuru**, Friday, March 2, 2012 at 4:11pmFormula:

CI95 = mean ± 1.96(sd/√n)

With your data:

CI95 = 88 ± 1.96(5.2/√20)

Calculate for the interval.

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